The Supreme Court decision of Schenck v. United States established the
precedent for the idea that
(A) “separate but equal” is constitutional
(B) speech that presents a “clear and present danger” is not protected
(C) labor unions are exempt from antitrust laws
(D) “separate but equal” is by nature discriminatory
(E) groups such as the Ku Klux Klan are protected under the First
Amendment